Page from a Chinese manuscript with Chinese writing on it

Black and white engraving of a group of men in military uniforms

Drawing of a group of people walking down a street

Black and white drawing of a group of animals

Molecular model of a tetrahedron

Old black and white photo of a woman in a costume

Black and white drawing of a plant with green leaves

Black and white drawing of two birds in a floral design

Black and white drawing of a man and woman sitting on a couch